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190145424 = 2437565909
BaseRepresentation
bin10110101010101…
…10001110010000
3111020210101111010
423111112032100
5342134123144
630511250520
74466131560
oct1325261620
9436711433
10190145424
1198372087
1253819a40
13305169b1
141b378da0
1511a5e5b9
hexb556390

190145424 has 40 divisors (see below), whose sum is σ = 561382720. Its totient is φ = 54327168.

The previous prime is 190145411. The next prime is 190145429. The reversal of 190145424 is 424541091.

It is a junction number, because it is equal to n+sod(n) for n = 190145391 and 190145400.

It is not an unprimeable number, because it can be changed into a prime (190145429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 282619 + ... + 283290.

It is an arithmetic number, because the mean of its divisors is an integer number (14034568).

Almost surely, 2190145424 is an apocalyptic number.

190145424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

190145424 is an abundant number, since it is smaller than the sum of its proper divisors (371237296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

190145424 is a wasteful number, since it uses less digits than its factorization.

190145424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565927 (or 565921 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 190145424 is about 13789.3228260129. The cubic root of 190145424 is about 575.0363420004.

The spelling of 190145424 in words is "one hundred ninety million, one hundred forty-five thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 112 168 336 565909 1131818 1697727 2263636 3395454 3961363 4527272 6790908 7922726 9054544 11884089 13581816 15845452 23768178 27163632 31690904 47536356 63381808 95072712 190145424